package io.joyrpc.util;

/*-
 * #%L
 * joyrpc
 * %%
 * Copyright (C) 2019 joyrpc.io
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

/**
 * 三元组函数
 *
 * @param <T>
 * @param <U>
 * @param <S>
 * @param <R>
 */
public interface TriFunction<T, U, S, R> {

    /**
     * Applies this function to the given arguments.
     *
     * @param t the first function argument
     * @param u the second function argument
     * @param s the third function argument
     * @return the function result
     */
    R apply(T t, U u, S s);
}
